<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>雷达图</title>
</head>
<style>
    html,
    body {
        margin: 0;
        font-size: 0;
        text-align: center;
    }

    #canvas {
        margin-top: 100px;
        border: 1px solid #ccc;
    }
</style>

<body>
    <canvas id="canvas" width="600" height="500"></canvas>
</body>
<script src="./canvas.js"></script>
<script>
   

</script>

</html>